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  • 2000-2004
  • 1985-1989  (10)
  • 1987  (10)
  • Magnetic resonance imaging
  • Nuclear reactions
  • 1
    Electronic Resource
    Electronic Resource
    Anatomy of the thoracic aorta: Magnetic resonance imaging and interpretation of flow phenomena (1987)
    Springer
    Surgical and radiologic anatomy 9 (1987), S. 141-149 
    Details
    ISSN: 1279-8517
    Keywords: Magnetic resonance imaging ; Thoracic aorta ; Gated acquisition ; Oblique slices ; Flow Phenomena
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs présentent les résultats d'une investigation concernant l'imagerie par résonance magnétique de l'aorte thoracique d'après l'étude de huit volontaires et d'un patient suspect de maladie de Takayasu mais ayant une aorte morphologiquement normale. Des coupes axiales, frontales, sagittales et obliques ont été réalisées et les résultats morphologiques sont présentés. De plus, les principaux phénomènes de flux sont expliqués et des exemples de chacun sont montrés.
    Notes: Summary The authors present the results of magnetic resonance imaging (MRI) in the investigation of the anatomy of the thoracic aorta in a group of eight volunteers and in one patient with presumptive Takayasu's disease but with normal aorta. Transaxial, coronal, sagittal and oblique slices were made and the morphologic results are presented. Major flow phenomena are also discussed and some examples given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02086599
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  • 2
    Electronic Resource
    Electronic Resource
    Topological characteristics of brainstem lesions in clinically definite and clinically probable cases of multiple sclerosis: an MRI-study (1987)
    Springer
    Neuroradiology 29 (1987), S. 530-534 
    Details
    ISSN: 1432-1920
    Keywords: Multiple scleosis, diagnosis of ; Magnetic resonance imaging ; Vascular brain disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Disseminated lesions in the white matter of the cerebral hemispheres and confluent lesions at the borders of the lateral ventricles as seen on MRI are both considered acceptable paraclinical evidence for the diagnosis of multiple sclerosis. Similar changes are, however, also found in vascular diseases of the brain. We therefore aimed at identifying those additional traits in the infratentorial region, which in our experience are not frequently found in cerebrovascular pathology. We evaluated MR brain scans of 68 patients and found pontine lesions in 71% of cases with a clinically definite diagnosis (17 out of 24) and in 33% of cases with a probable diagnosis (14 out of 43). Lesions in the medulla oblongata were present in 50% and 16%, respectively, and in the midbrain in 25% and 7%, respectively. With rare exceptions all brainstem lesions were contiguous with the cisternal or ventricular cerebrospinal fluid spaces. In keeping with post-mortem reports the morphological spectrum ranged from large confluent patches to solitary, well delineated paramedian lesions or discrete linings of the cerebrospinal fluid border zones and were most clearly depicted from horizontal and sagittal T2 weighted SE-sequences. If there is a predilection for the outer or inner surfaces of the brainstem, such lesions can be considered an additional typical feature of multiple sclerosis and can be more reliably weighted as paraclinical evidence for a definite diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350435
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging in Pelizaeus-Merzbacher disease (1987)
    Springer
    Neuroradiology 29 (1987), S. 403-405 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Pelizaeus ; Merzbacher disease ; Cerebral sclerosis diffuse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Pelizaeus-Merzbacher's disease is a progressive encephalopathy with demyelination of the cerebral white matter. The diagnosis can not be made on clinical or biological grounds: pathological investigation is necessary to confirm tigroid demyelination. CT scanning failed to visualize this type of anomaly but detection is now possible with the advent of magnetic resonance imaging (MRI). The authors studied the case of a boy who, at the age of 8 presented with symptoms characteristic of the disease: rotatory nystagmus, progressive encephalopathy, and inherited X-linked recessive traits. Magnetic resonance imaging revealed a high signal in the supra-tentorial white matter and the usual contrast was inverted. The authors believe that MRI can make an important contribution to the diagnosis of the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00348925
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  • 4
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of the heart compared with anatomic and ultrasonographic data (1987)
    Springer
    Surgical and radiologic anatomy 9 (1987), S. 303-314 
    Details
    ISSN: 1279-8517
    Keywords: Magnetic resonance imaging ; Ultrasonography ; Heart
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs présentent un travail de corrélation entre l'aspect anatomique du cœur et les images obtenues en imagerie par résonance magnétique (IRM) et en échographie. Six cœurs ont été étudiés par IRM puis découpés suivant les mêmes plans de coupe. Les résultats sont présentés et comparés aux données obtenues in vivo chez des volontaires à la fois en IRM et en échographie. La corrélation entre images IRM de pièces anatomiques et coupes anatomiques est excellente, les plus fins détails anatomiques étant reproduits. L'utilisation de coupes en double obliquité permet l'obtention d'incidences similaires à celle de l'échographie. Ces mêmes incidences peuvent être obtenues in vivo. L'étude morphologique du cœur est ainsi extrêmement précise, de même que l'étude des volumes cardiaques.
    Notes: Summary The authors present a correlation study between the anatomy of the heart and its appearance with magnetic resonance imaging (MRI) and ultrasonography (US). Six hearts were studied by MR, then sliced along the same planes. The results are presented and compared with the data obtained in volunteers by MRI and ultrasonography. The correlation between the MRI of isolated hearts and their anatomic slices is excellent, the thiniest anatomic details are reproduced. The use of double oblique slices provides incidences similar to those of ultrasonography. The same incidences can be obtained in vivo. The morphologic study of the heart by these imaging techniques is thus very precise, as well as the study of cardiac volumes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02105302
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  • 5
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of colloid cysts of the third ventricle (1987)
    Springer
    Neuroradiology 29 (1987), S. 10-14 
    Details
    ISSN: 1432-1920
    Keywords: Colloid cyst of the third ventricle ; Third ventricle ; Brain tumor ; Computer tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two cases of colloid cyst of the third ventricle are reported. Their computed tomographic (CT), magnetic resonance (MR) and neuropathological features are presented. The MR findings were different in the two cases for reasons not yet fully explained, full biochemical and biophysical analyses of the cyst contents not being available. Neuropathologically, the only significant difference was the abundant presence of cholesterin crystals in the colloid of case 1 and their absence in case 2. One of our cases is also peculiar from a CT point of view, since it was primarily hypodense and did not enhance on intravenous contrast administration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341029
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  • 6
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of human cerebral infarction: Enhancement with Gd-DTPA (1987)
    Springer
    Neuroradiology 29 (1987), S. 422-429 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Gadolinium-DTPA (Gd-DTPA) ; Brain infarction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Five patients (1 female and 4 males) with cerebral infarction of 4 h to 27 months duration were studied 9 times with magnetic resonance (MR) using Gd-DTPA. Spin-echo (SE) MR images (MRI) were obtained before and after the administration of Gd-DTPA, and correlative CT scans were performed on the same day. In 2 cases, 4 h and 27 months after the ictus, there was no enhancement with Gd-DTPA. There was faint enhancement in 2 cases with cerebral infarction of about 24h duration and obvious enhancement in all cases in the subacute stage. Compared with enhanced CT, MR using Gd-DTPA demonstrated more obvious enhancement of infarcted areas. MR enhancement using Gd-DTPA showed a gradual increase and the accumulated Gd-DTPA in infarcted areas slowly diffused to the periphery. MR enhancement with Gd-DTPA is similar to that of enhanced CT, but may be more sensitive in the detection of blood brain barrier breakdown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341737
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  • 7
    Electronic Resource
    Electronic Resource
    Intracranial catecholamine secreting paragangliomas (1987)
    Springer
    Neuroradiology 29 (1987), S. 277-282 
    Details
    ISSN: 1432-1920
    Keywords: Paraganglioma ; Catecholamines ; Glomus jugulare ; Sphenopalatine ganglion ; Computed tomography ; Magnetic resonance imaging ; Angiography ; Embolisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three intracranial catecholamine-secreting paragangliomas are described. They involved a glomus jugulare, a sphenopalatine ganglion and the clivus and upper cervical spine respectively. The extent of the tumours was shown by CT and MRI. They were all highly vascular with a substantial blood supply from systemic arteries which was subjected to particulate embolisation, followed in two cases by surgery. The importance of studying any tumour which could possibly be a paraganglioma for hormonal and, especially, for catecholamine secretion prior to any invasive procedure, including angiography and embolisation, is emphasised: all such procedures should be covered with catecholamine blocking agents and, in addition, carefully monitored with resuscitation facilities immediately available.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00451767
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  • 8
    Electronic Resource
    Electronic Resource
    Invasive v non-invasive assessment of the carotid arteries prior to trans-sphenoidal surgery (1987)
    Springer
    Neuroradiology 29 (1987), S. 457-461 
    Details
    ISSN: 1432-1920
    Keywords: Trans-sphenoidal hypophysectomy ; Cavernous sinography ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Imaging studies in 47 patients who were to undergo trans-sphenoidal surgery were analysed with reference to the vascular structures in the parasellar region. The results of cavernous sinography, dynamic contrast enhanced Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) showed good correlation with each other and with the appearances found at operation. CT and MRI, both non-invasive investigations, are therefore reliable preliminary screening methods for identifying the small proportion of patients on whom other imaging techniques need to be performed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341743
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  • 9
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging in lissencephaly (1987)
    Springer
    European journal of pediatrics 146 (1987), S. 205-208 
    Details
    ISSN: 1432-1076
    Keywords: Lissencephaly ; Agyria ; Pachygyria ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a patient with clinical manifestations suggestive of brain malformation, computer-assisted tomography (CT) showed lissencephaly: agyria, pachygyria, absent opercularization, and colpocephaly. The patient did not have seizures or a typical EEG of hypsarrhythmia. By magnetic resonance imaging (MRI), using a long inversion-recovery sequence, it was possible to verify the CT-findings and to demonstrate heterotopic grey matter and missing claustrum. By MRI it was much easier to estimate the altered ratio of grey and white matter. High grey-white matter contrast of inversion-recovery scans and the possibility of imaging the brain in sagittal, coronal and transverse planes make MRI the method of choice for the evaluation of lissencephaly and other brain malformations. In this case it helped to verify lissencephaly as one aspect of an unknown clinical entity of type-I-lissencephaly, defective structure of lymphatic nodes, a polyarthritis-like clinical picture, hypodontia, and flaring of the ribs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02343238
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  • 10
    Electronic Resource
    Electronic Resource
    Progressive multifocal leucoencephalopathy with magnetic resonance imaging verification and therapeutic trials with interferon (1987)
    Springer
    Journal of neurology 234 (1987), S. 427-429 
    Details
    ISSN: 1432-1459
    Keywords: Progressive multifocal leucoencephalopathy ; Magnetic resonance imaging ; Interferon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Progressive multifocal leucoencephalopathy was diagnosed by magnetic resonance imaging (MRI) and brain biopsy in a 44-year-old woman, for whom therapeutic trials with various antiviral agents were made. Despite early diagnosis and treatment, her neurological deterioration and extension of MRI-detectable lesions were not halted for a period of about 8 months. After the introduction of intrathecal β-interferon therapy, her neurological status and MRI findings became stable and showed minimal improvement. Early diagnosis of this fatal disorder is important and intrathecal interferon therapy should be considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00314091
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